It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-613587641455.mit-edu.top/post/5849317620

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-613587641455.mit-edu.top",cType: 'managed',cRay: '91104b6fcadd0624',cH: 'zZ7HlNeiGXHb1Xy55uW_tBQLF._bYgl_pSbO4LFiWio-1739402273-1.2.1.1-REnVdxVj2Aofjiz218fhpzC8pHG9IE2_Y8w6Y7CcIp7gw_dkfE2vtSUDN2KYNtmK',cUPMDTk: "\/post\/5849317620?__cf_chl_tk=SKeTbPXCTRkRmEaTcxYgDwXlMMFG42aEM8cTIxmNR58-1739402273-1.0.1.1-OVxk_3_OdFR9H2LS14iUcNkFoTursMUJFy1Ld_Ln2tg",cFPWv: 'b',cITimeS: '1739402273',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5849317620?__cf_chl_f_tk=SKeTbPXCTRkRmEaTcxYgDwXlMMFG42aEM8cTIxmNR58-1739402273-1.0.1.1-OVxk_3_OdFR9H2LS14iUcNkFoTursMUJFy1Ld_Ln2tg",md: "EjbhyZTO8lKfVNRZVeWQiAiU4_NUWWSWX.MdiInSOtQ-1739402273-1.2.1.1-V0rFYXOYf8bQt32TuntYMiuxgtaZkdqeDZ7Y8s8FqYTEf2xL7y4uKa3y5j2yD_i7c0d4Kcsj0wk8BcHIa4T3BpF5y8bcgTn1KVrhUoYD_TgNltrqrE_oU.nGIMl6dGwuI6RV2WCts7j9yIPSSjFxw2cxkr_310o.tcD7zLVsOyFJlRxWCrSHG4SPAPw_3fFCt_tT01e0w8V8usaVkcNFVYIZYhqlpmN8SSCMs0kSwq0ioHz_1uSeFlWMrNV0u_Xc0IAmDNeMGuHSmFPH4XjHSclgAzNb5AyOT.t5elheCQmSZw1VDQQandFrvBYS4_b0T0or2fGKOEU6MIFdLSwkxb8_9xBbBoYpFm1er6VmKAyLL_Rm0FOtNJsOGUZhK9Vck9Ha15ryJfZR704H9mzcTY6U3a065LvaSXLxnfKkKAILaafALVUb6uqChfihePJv8fLBKJaYtpqQGod2XkTWrtgiKnA8bfaZUI.0.UVrU.Cd8IOaac.fZh3oN5MEDFYuJtb0FxL2xHZz8a0hsDzcznbfDpOcVGFOWJm.pEqCw.1JV4Ncvetjk0aflr.U20vR7P_PM8fW_peauGbksd9sjpbcMxPA68yky_gtwej097b5ebxDcnuYOs38bpxfVB36kiPidneOC74YWMiCnze0l1nW_1F4mYZ1WV2HBx_E3vvubb5tSyv7jjs6OSI9JoAT.cR_fdgXQMVc_J519Cv1LL3MhQt8d35WxY_BXDYd1AnwlBwQyJ7UZoRqQWgrqSkAO41N_r9Gzc8bMl2FVirUHYbB95Cx0R3Yj9117O11KwXTBlfBVsGiSrQ_Vv4eXwTTrJW92z9Rkfki1ttRQ7jDpq2dd.9VLbPre.umcP1fogPSLHe18wm.xbDLfl6wey9x6yVphs1vGaKgC5Qg9XqXi9h_h2_zZSA4Z48a4sbUcHRAnCVO_hUYUcb0glBlz3Lw.vxBbWdVbT.3MtytNgZwJPxfXv5Nzm9U8tNadBQtkDUzFIoPQRHQsuZMa4F0OuAipMjeoCCuPi6izfcC.UkecscwYOpoI86awinv5hg9J1P0YH56WTq0Lqhbr32QpWg6PY7rfngWVcecLfon9dZ2wo7qHoOUFyiyXzeo.nDEGdqcLm6zfA.4qu_XeEdcSmHJQlm5ZLUUvE72WdlsXevPpaZRS87lj3jVKlj4.g20xxD.QXFFVQQnelGoXiVnPWKIhp6iMOEGvTfm5OtUA_pOIv_6fuP3J6B0.AwlQInm5ttUvQTlkH_Uqzd8Y7hhoNo_0tzY5zBUcGwK7LytRVoSnH1I3CdNDnOoNu8FkTo9w.cwYxRVsUbz.1LRc.jGj3_0syYRcYZmjlKD1yqhTfwqkqa7lQX7Jmbm5vn6d2QumC5F60FedGBAhHOcqKT9VEBM6MPoKPnC38XmPgnE7gmCz9.jrBblVFcf.swGwi45YPEH8N_Ers7L9xD4b6YyfRdJm9UHqQcuFCOoTpVCuWj9y2Bp1ZEauqjgrQMWs1WUoA4iM9soZOBp1I9_zc9TaTh45YVh.f2CX2bLxqOy34llg.UEeHisrSBFUFr4rDXRIv2rC9wrLy6aZr6PZUvbb1e.8NJCvgDqoDcuXC7L3XLkes5DU.TZgH9ghZdhi.FtYD6_lfQ1EhbgQN8V8gLkQmZ2e.f01TfLS.S9jENHzCBG2jbLI9pSKhvrp4gy84Wu4NcN551v7YPzkwIsqeF.AIa0N7twtLXvtqKuse4QtT8qpThKhZ46UqGzO6BungXkwHqDt8PM08HCOOHmQXVPWcQpyxwpX9.UvOXB4V8ydU.9g8drZLg7RA3pfzrBg3p8.KNW_59hUYK7Mul5A7GpRUgYgLMfzWkcPzVkFmlTtK._5UbrUkZfwwKtZCy7k606ik3wBYUSr3qjAESD8SnyNKtejTAmc.FqqrUa0DiHXiELXBjUI2RAr8qDcDCjKgtGAyW0MmN4NQNBzT0BE6exBdi6LIzrKWpMslhCHcLlYNf1nvzqI0Nw7E7k.he7GloFmSo77p3_eYLkkpSaQuueoZ6DzkOKhFwhd_qMtIBFmsN8o3KkZVBAhPeT8_jJbi.SFBEt2db.HWwlrC_rysSrLj4vVcVJ8.ySYNQUcf3l9qHpJg_zue6XQPGNx1qb1ygUsgpPeBn_hpFqYtBQfwAUMGNMNXwic_VRIN4Lm_.BUeu6LNG5HPiHMU218oCRxuTkEe1TdXabiFmFUuG0qm7SZPnn",mdrd: "2brWQuZlSPXunSVXPU0Nk2qI03zWBLxXtwCXjvj2aPo-1739402273-1.2.1.1-Th1Mcckz3jqHQnBFlSXSgjUpvge_kdLYeFtew_MQfcB7bLfqxrrT0uMsCds1_WumOd5psMnL2VIXZIC7UIO026V_f5B4bLwprfB1CKbdkpo9jvWi4gq3xgfZywAVMr4Q7UIDUdvIe8IU9obfFurO9_8z_Aaiypa99D_W1wmg92g.vW3mu8Bb1l3dAo8rsxM5xbnZM72jiyeMvfkTUZ_NdkUOw37Gz9bZmYrrz4tBJmQvLqqBKX2sQYTETrJSlWa2xb87ZnK3AMGX6ZKrcO.d7DpbGh1KHkdJStQcveMkq7OdwGfflryhhviULeqmHRAkFqqAPnKrd6PCRDInXXVGag3VrpSUhuaXJdWU8qQQ57Pvwgaxe.5YKYqrc06l2g.kXPGis4O4pdyRAHUPLWXcAeqZ_p8_C0dq2CrHcaHkeMXpc0BdBeRWtXuNIheW.0DhhQpbnPFnH.uzavEtlDivXU.uRtomF1zcXkgq.cGQx7GEp9zXXkVLYhPdamQ7cu1cdf5kHRC4t327wv7reqCYzbIDaJJ1nBVybQ5bF0Xm9HNajbpiUonIkgW.TbhIJOa7c8t.BQmfQYwOMehQ.63BJ8k7a_1SPfVv3hu5PQysnSCoCFxMFOCHjnFv083iytzagh_n2BdMFeIXgDyUJ6IAPv0x7Hi9RZil9kCXXr8oovk6gxI1LIGf4ivQDyJeG1wEaSiiEP4dEzL4rf.8DHyFUuarIRtzmSrYdeZ.ZTGX7nxsMesv6SGUP5Ygc7rJ_PVNxgq9QMpRrCV42x3YM7jwilg4TNVzLdawsnCh8bbFEhb5fu53qIZgNDIbiuIm91SFS8xCbvCDzUjBRLdpDu4iReMVe9dlsbO0s3pxx0mbAcRYcNDcrx3K5siVcAEJ_XMHjVgLl3u6oK4_KKqRxUC_fWwBP.AnQShukqZaSnM0MHaAI0avUvRiFMc_uDoa8E9.EKzcGCOmyvtRfCWD4DVIruNHb7BMxfi5DxkUEWuYDXl4rsrwPcqqbdLoGr5c52fiiEPFmSYLIqOP2g6hxPzVhp9P3lhS3Q6CY8PPihd5bHRcRsoi2fUNxgEm14tDaPpDkP11bGz8WyhRiZb_3Lt47vlnrv5.2KaLGHFbSBXClFZ4zoOWe_XNzfhcrWUYynYzwJahENjqX40lkMRLbz_AgxckiVeuLPDB1QncZrPOQXStO4DqIV.UqosjWGMtfb9O6SG8bpCoO3gKAhOQA2vVbEQK6R7Z6NHAYw798e4Dk1FvzeIS5evfb46V1fjFN1q80nV.llUWjiS1dMj3FlaE0JHiv_A_IYPWZK4NwC0XJvN.oChl8BeacchxWWZ8LdbzDqnwg64fWXY.zJGEK.X0qVuIi9bSNcLWK0D0nPwfnQllaW0mA6XBQ_onf1PLICbgChiG3Q7GAUnv_a5xYrmyxnCUYgzkt0UTzxI1qhtyEmLp0.KYPxAw6yQ.CZonhAq8BRqVYsP17fwUqtqGtPbiJrZQArhRvXGwjQAL6OG_JQMnkpnkRaoAJzutgHspMMud6KTyY0spqYUFO3ezvGSJ9pVdTQaeps5oOsqUJYjlGVi5O1.dP6NKUYZk2wBjTASGFjbrzdnOEdloPeWqIZytFnwuySu3yjjZg9HdtN0SeIgOuqurM3szWiSsItEpTxEjqiIxLmm3kcgau66FLUAfMkJ35g65gQZ4TKnOcEU6fyQWti9C_pGsjxH.i8CnQ6XZ5hxNsWsYgWrepfn3t26by51e25HnYxpfncrmbFjnD7auorv2M128bTxcWMPZ8SvIBmw13ttfidwDGd9KN6nwR6tS713fjSr_1ZiuFlc5YXo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104b6fcadd0624';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/5849317620?__cf_chl_rt_tk=SKeTbPXCTRkRmEaTcxYgDwXlMMFG42aEM8cTIxmNR58-1739402273-1.0.1.1-OVxk_3_OdFR9H2LS14iUcNkFoTursMUJFy1Ld_Ln2tg" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda